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Posted 07 September 2003 - 12:12 AM
Posted 07 September 2003 - 12:48 AM
If that's what you mean, then I would check out your themostat, since even if the fan ran all the time, if the thermostat were working properly, then the engine would still reach operating temp cause the fluid wouldn't flow into the rad till it opened. And as for the thermoswitch - you should test it - just heat it up (blowtorch maybe?) and see if you get continuity. I don't think there's much to that switch, so I don't see why they would be different....
Posted 07 September 2003 - 12:16 PM
Posted 07 September 2003 - 02:43 PM
You may have a thermostat issue also like the other poster said or your temperature gauge is not working correctly. The engine temperature has to more than you are really seeing I would think. I would verify the coolant temperature with a thermometer.
Posted 07 September 2003 - 03:00 PM
Posted 07 September 2003 - 03:45 PM
Posted 07 September 2003 - 03:49 PM
If the coolant is not getting warm then you may have a stuck closed thermostat and that would not be good. If the engine temp gauge is working ok it should show the engine is hot after about 10 minutes of idling and you have a stuck thermostat, I would think.
With all due respects to GD's comment of not measuring the coolant temperature at the top of the radiator, I disagree. If things are working ok the temerature of the coolant will be pretty close to the engine block temperature since the coolant flows out of the engine to there. If the thermostat is stuck closed then it will be obvious there is a blockage by the low temperature reading. It is also very easy to test the temp there. If I want to check the temperaure sensor I will use an ohmmeter to check the resistance of the sensor and compare that to the data sheet for temp/resistance values.
Posted 07 September 2003 - 04:06 PM
Usually these things end up with the engine being too hot not too cold.
maybe your temp guage isn't working right.
Or there could be air in the system.
Posted 07 September 2003 - 05:26 PM
Oh - and I sugested blow torch cause I didn't want to be responsible for someone trying to test electrical parts around boiling water. Besides - it should work right? Might be a little hard to gauge the temp I guess - but hey - just drink a few brews first, and I'm sure you would figure something out
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